The Mixed-Use (MU) zones provide for mixed-use developments that permit a broad range of commercial, institutional, and multiple dwelling unit residential development at varying densities. The MU-15 through MU-22 zones specifically cover the Dupont Circle area with the intention of protecting and enhancing the unique characteristics of the neighborhood.

The purposes of the Dupont Circle Mixed-Use zones are to:

Require a scale of development consistent with the nature and character of the Dupont Circle area in height and bulk and ensure a general compatibility in the scale of new buildings with older, low-scale buildings;

Enhance the residential character of the area by maintaining existing residential uses and controlling the scale, location, and density of commercial and residential development;

1 A minimum rear yard of 2.5 in. per 1 ft. of vertical distance from the mean finished grade at the middle of the rear of the structure to the highest point of the main roof or parapet wall, but not less than 12 ft.2 A rear yard is not required to be provided below a horizontal plane as described in Subtitle G § 605.5;3 Where a lot abuts an alley, the rear yard may be measured from the center line of the alley to the rear wall of the building or other structure; and4 Where a lot does not abut an alley, the rear yard shall be measured from the rear lot line to the rear wall of the building or other structure.